Author: monthadar
Date: Tue May 1 16:00:31 2012
New Revision: 234880
URL: http://svn.freebsd.org/changeset/base/234880
Log:
* MeshForwarding update mesh_recv_indiv_data_to_fwrd to silently discard
unknown meshDA instead of panic, which is allowed per amendment spec;
Approved by: adrian
Modified:
head/sys/net80211/ieee80211_mesh.c
Modified: head/sys/net80211/ieee80211_mesh.c
==============================================================================
--- head/sys/net80211/ieee80211_mesh.c Tue May 1 15:58:10 2012
(r234879)
+++ head/sys/net80211/ieee80211_mesh.c Tue May 1 16:00:31 2012
(r234880)
@@ -1137,7 +1137,19 @@ mesh_recv_indiv_data_to_fwrd(struct ieee
/* set lifetime of addr3 (meshDA) to initial value */
rt_meshda = ieee80211_mesh_rt_find(vap, qwh->i_addr3);
- KASSERT(rt_meshda != NULL, ("no route"));
+ if (rt_meshda == NULL) {
+ IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_MESH, qwh->i_addr2,
+ "no route to meshDA(%6D)", qwh->i_addr3, ":");
+ /*
+ * [Optional] any of the following three actions:
+ * o silently discard [X]
+ * o trigger a path discovery [ ]
+ * o inform TA that meshDA is unknown. [ ]
+ */
+ /* XXX: stats */
+ return (-1);
+ }
+
ieee80211_mesh_rt_update(rt_meshda, ticks_to_msecs(
ms->ms_ppath->mpp_inact));
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